Every individual is conscious of an inner flow of time which in turn is founded on the physiological rhythms of the organism thought it is not identical with these 每个个体内在都会意识到时间流动，那是生理节奏始然，但两者并不完全等同。
2.
Past research has indicated that circadian clocks govern physiological rhythms in many parts of the body and that the different parts can adjust to schedule changes at different rates 过去的研究已经预示，生物钟控制着生物体内很多部位的生理节奏，而且各部位对于生物钟改变的适应速度不同。
